It was a routine visitation of a child by a troubled mom at a New York Foundling Home that turned out to be anything but routine. Now, cops have issued an Amber Alert for 4-year-old Mia Olarte, who they say was taken by 48-year-old Dora Estella Olarte.

The mom, who has mental health trouble and allegations of abuse, ran with the child in her arms around 5 p.m. Friday from the Foundling Home at170 Brown Place in the Bronx.

The 4-year-old's eyes and hair are brown, and she's 2 feet tall and about 50 pounds.She had on and a pink shirt and polka-dotted gray pants, investigators said. Her mom hada white shirt and blue denim slacks. Cops described her as5-foot-4, 140 pounds with brown hair and eyes.